Define and provide examples of aerobic physical activity, moderate-intensity physical activity, and vigorous-intensity physical activity
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Aerobic physical activity: activity in which the body's large muscles move in a rhythmic manner for a sustained period of time. Aerobic activity, also called endurance activity, improves cardiorespiratory fitness. Brisk walking, running, swimming, and bicycling are examples.
Moderate-intensity physical activity: physical activity that requires some increase in breathing and/or heart rate and expends 3.5 to 7 kcalories per minute. Walking at a speed of 3 to 4.5 miles per hour (about 15 to 20 minutes to walk 1 mile) is an example.
Vigorous-intensity physical activity: physical activity that requires a large increase in breathing and/or heart rate and expends more than 7 kcalories per minute. Walking at a very brisk pace (.4.5 miles per hour) or running at a pace of at least 5 miles per hour are examples.
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Which of the following is a characteristic of alcohol intake and lactation?
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a. 14 b. 16 c. 18 d. 20
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